In 500 Days of Summer (2009), Summer calls Tom “Young Werther†during karaoke. It’s a nod to The Sorrows of Young Werther, a German novel about a man hopelessly in love with a woman who doesn’t feel the same. The reference subtly foreshadows Tom’s unrequited love for Summer.
During the early rescue scene in Furiosa (2024), Fang snatched the gun from Mr Harley to fire it at Furiosa and her mom. This demonstrates that Mr Harley has always been sympathetic towards her, not just at the end, even though he’s a very small character
George Foreman’s stats listed in The Naked Gun 2½ (1991) credits right after the film’s actual foremen - Foreman has no actual connection to the series